:root {
  --bg-deep: #080c10;
  --bg-surface: #0f1419;
  --bg-card: #141c24;
  --bg-elevated: #1a2530;
  --cyan: #00f0ff;
  --cyan-dim: #00a8b3;
  --magenta: #ff00aa;
  --magenta-dim: #b30078;
  --amber: #ffaa00;
  --amber-dim: #cc8800;
  --text: #e0e6ed;
  --text-muted: #64748b;
  --text-dim: #3a4555;
  --line: rgba(0, 240, 255, 0.15);
  --line-bright: rgba(0, 240, 255, 0.3);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5), 0 0 40px rgba(0, 240, 255, 0.2);
  --glow-magenta: 0 0 20px rgba(255, 0, 170, 0.5);
  --radius-xl: 8px;
  --radius-lg: 6px;
  --radius-md: 4px;
  --content-width: 1100px;
  --font-display: "Chakra Petch", sans-serif;
  --font-body: "Space Grotesk", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg-deep);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      transparent 49.5%,
      rgba(0, 240, 255, 0.03) 49.5%,
      rgba(0, 240, 255, 0.03) 50.5%,
      transparent 50.5%
    ),
    linear-gradient(
    transparent 49.5%,
    rgba(0, 240, 255, 0.03) 49.5%,
    rgba(0, 240, 255, 0.03) 50.5%,
    transparent 50.5%
  );
  background-size: 60px 60px;
  z-index: 1000;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.15) 2px,
    rgba(0, 0, 0, 0.15) 4px
  );
  z-index: 999;
}

img {
  max-width: 100%;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: text-shadow 180ms ease;
}

a:hover {
  text-shadow: var(--glow-cyan);
}

code,
pre {
  font-family: var(--font-mono);
}

.page-shell {
  width: min(calc(100% - 48px), var(--content-width));
  margin: 0 auto;
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 12, 16, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  text-decoration: none;
  color: var(--text);
}

.brand-logo {
  display: block;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
}

.brand-text {
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 24px;
}

.site-nav a {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 180ms ease, text-shadow 180ms ease;
}

.site-nav a:hover {
  color: var(--cyan);
  text-shadow: var(--glow-cyan);
}

.section {
  padding: 72px 0;
  position: relative;
}

.section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--line-bright),
    transparent
  );
}

.hero {
  min-height: calc(100vh - 120px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--magenta);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  margin-top: 0;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  background: linear-gradient(
    135deg,
    var(--text) 0%,
    var(--cyan) 50%,
    var(--magenta) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  color: var(--text);
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--cyan);
}

.hero-body,
.section-heading > p,
.feature-row p,
.info-card p,
.agent-card p,
.compat-panel p,
.install-card p,
.demo-copy p,
.status-card p,
.faq-list p,
.trust-note,
.site-footer p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 1.05rem;
}

.hero-body {
  font-size: 1.15rem;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 32px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--cyan-dim), var(--cyan));
  color: var(--bg-deep);
  box-shadow: var(--glow-cyan);
}

.button-secondary {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
}

.button-secondary:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: inset 0 0 20px rgba(0, 240, 255, 0.1);
}

.hero-points {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
  margin-top: 32px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.hero-points li::before {
  content: ">";
  color: var(--cyan);
  font-family: var(--font-mono);
  font-weight: 600;
}

.hero-panel {
  position: relative;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--radius-xl) + 2px);
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  z-index: -1;
  opacity: 0.6;
}

.hero-panel,
.info-card,
.install-card,
.compat-panel,
.agent-card,
.status-card,
.demo-frame,
.demo-copy,
.comparison-table,
.terminal-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
}

.terminal-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #0a0e14;
  border: 1px solid var(--line-bright);
  box-shadow:
    0 0 0 1px rgba(0, 240, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.terminal-topline {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 240, 255, 0.05);
  border-bottom: 1px solid var(--line);
}

.terminal-topline span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-topline span:nth-child(1) {
  background: #ff5f56;
}
.terminal-topline span:nth-child(2) {
  background: #ffbd2e;
}
.terminal-topline span:nth-child(3) {
  background: #27c93f;
}

.terminal-body {
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.8;
}

.terminal-body p {
  color: var(--text);
  margin-bottom: 0;
}

.terminal-body .prompt {
  color: var(--magenta);
}

.terminal-gap {
  min-height: 14px;
}

.protocol-strip {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.protocol-strip span,
.agent-tags li {
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(0, 240, 255, 0.05);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan-dim);
}

.section-heading {
  margin-bottom: 40px;
  max-width: 60ch;
}

.section-heading p {
  font-size: 1.15rem;
}

.section-grid,
.status-grid,
.demo-grid,
.install-grid,
.card-grid,
.split-layout {
  display: grid;
  gap: 24px;
}

.card-grid.three-up {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.install-card,
.compat-panel,
.agent-card,
.status-card,
.demo-frame,
.demo-copy {
  padding: 28px;
  position: relative;
}

.info-card::before,
.install-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}

.feature-list {
  display: grid;
  gap: 24px;
}

.feature-row {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.feature-row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.feature-row h3 {
  color: var(--amber);
}

.agent-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
}

.install-grid {
  grid-template-columns: repeat(2, 1fr);
}

.featured-install {
  grid-column: span 2;
  background: linear-gradient(
    135deg,
    rgba(0, 240, 255, 0.08),
    rgba(255, 0, 170, 0.04)
  );
  position: relative;
}

.featured-install::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

.install-label {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 4px 10px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.code-block {
  border-radius: var(--radius-lg);
  background: var(--bg-deep);
  border: 1px solid var(--line-bright);
  padding: 14px 16px;
  margin: 16px 0;
}

.code-block,
.demo-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.code-block code {
  color: var(--cyan);
  font-size: 0.9rem;
}

.code-block.stacked {
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
}

.code-block.stacked code {
  padding: 4px 0;
}

.copy-button {
  border: none;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.15);
  color: var(--cyan);
  min-height: 32px;
  padding: 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 180ms ease;
}

.copy-button:hover {
  background: rgba(0, 240, 255, 0.25);
}

.step-list {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
  line-height: 1.8;
}

.step-list li {
  margin-bottom: 8px;
}

.flow-board {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr auto 1fr;
  align-items: stretch;
  gap: 20px;
}

.flow-node {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--bg-card);
}

.flow-node ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.9rem;
}

.flow-node-primary {
  border-color: var(--cyan);
  box-shadow: inset 0 0 30px rgba(0, 240, 255, 0.05);
}

.flow-node-primary::before {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  margin-bottom: 16px;
  border-radius: 2px;
}

.flow-arrow {
  align-self: center;
  font-size: 1.8rem;
  color: var(--magenta);
  text-shadow: var(--glow-magenta);
}

.trust-note {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--cyan);
  background: rgba(0, 240, 255, 0.05);
  font-size: 0.95rem;
}

.trust-note strong {
  color: var(--cyan);
}

.demo-grid,
.status-grid {
  grid-template-columns: 1fr 1fr;
}

.demo-title {
  margin-bottom: 12px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--magenta);
  font-weight: 600;
}

.demo-code {
  margin: 0;
  padding: 20px;
  line-height: 1.7;
  color: var(--cyan);
  overflow-x: auto;
  display: block;
}

.comparison-table {
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
}

.comparison-row span {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.comparison-head span {
  color: var(--text);
  font-weight: 600;
  background: rgba(0, 240, 255, 0.08);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin-top: 14px;
  margin-bottom: 0;
}

.status-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.status-links a,
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.status-links a:hover,
.footer-links a:hover {
  color: var(--cyan);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding: 48px 0;
  border-top: 1px solid var(--line);
  margin-top: 48px;
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  animation: rise 600ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.reveal-delay-1 {
  animation-delay: 120ms;
}

.reveal-delay-2 {
  animation-delay: 240ms;
}

@keyframes rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero,
  .split-layout,
  .flow-board,
  .demo-grid,
  .status-grid,
  .card-grid.three-up,
  .install-grid {
    grid-template-columns: 1fr;
  }

  .featured-install {
    grid-column: span 1;
  }

  .flow-arrow {
    justify-self: center;
    transform: rotate(90deg);
  }

  .site-header-inner {
    flex-direction: column;
    gap: 16px;
  }

  .site-nav {
    justify-content: center;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-head {
    display: none;
  }

  .comparison-row span {
    border-bottom: none;
    border-top: 1px solid var(--line);
  }

  .comparison-row span:first-child {
    color: var(--text);
    font-weight: 600;
    background: rgba(0, 240, 255, 0.08);
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: calc(100% - 24px);
  }

  .section {
    padding: 48px 0;
  }

  .hero {
    min-height: auto;
    padding: 32px 0;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
    justify-content: center;
  }

  .code-block {
    flex-direction: column;
    align-items: stretch;
  }

  .copy-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }

  body::before,
  body::after {
    display: none;
  }
}